-86.41% is the change from 979 to 133
Calculation steps:
[( 133 - 979 ) ÷ 979] x 100 = -86.41%
Formula
Percentage change = [(133 - 979) / 979] x 100
Subtract the new number by the original number
133 - 979 = -846
-846 ÷ 979 = -0.86414708886619
-0.86414708886619 x 100 = -86.41%